Unsupervised Lexicon Acquisition for HPSG-Based Relation Extraction.
Benjamin RozenfeldRonen FeldmanPublished in: IJCAI (2011)
Keyphrases
- relation extraction
- weakly supervised
- domain specific
- information extraction
- automatic extraction
- named entities
- semantic role labeling
- semantic relations
- broad coverage
- named entity recognition
- unsupervised learning
- dependency trees
- semantic features
- natural language text
- supervised learning
- general purpose
- semi supervised
- question answering
- natural language
- tree kernels
- natural language processing
- extraction patterns
- text mining
- expert systems
- information retrieval
- machine learning